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Predicting Duration of Traffic Accidents Based on Ensemble Learning

  • Lina Shan
  • Zikun Yang
  • Huan Zhang
  • Ruyi Shi
  • Li KuangEmail author
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 268)

Abstract

Traffic congestion can be divided into recurrent congestion and accidental congestion, and the latter one is usually caused by traffic accidents. It is of great significance to predict the duration of traffic accidents accurately and transfer the results to drivers on the road in time. Most of the existing works utilize traditional, single machine learning model to predict the duration of accident, while the accuracy is not satisfying. In this paper, we firstly construct and extract features from the accident records including description, location, as well as some external information such as weather. We then divide the duration into multiple periods, corresponding to multiple categories. In order to improve the prediction precision of rare categories, we convert the multi-class classification problem into a binary classification problem, constructing multiple XGBoost binary classifiers which are restricted by F1 (harmonic mean) evaluation index. Finally, in order to improve the overall accuracy further, the classification results are integrated by using artificial neural networks. The experiment is conducted on real datasets in Xiamen and employs mean absolute percentage error (MAPE) and root-mean-square error (RMSE) as indicators. The experimental results show the effectiveness of the proposed method and show better performance in comparison with traditional models.

Keywords

The duration of traffic accidents XGBoost Artificial neural networks 

Notes

Acknowledgments

The research is supported by National Natural Science Foundation of China (No. 61772560), National Key R&D program of China (No. 2018YFB1003800).

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Copyright information

© ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering 2019

Authors and Affiliations

  • Lina Shan
    • 1
  • Zikun Yang
    • 1
  • Huan Zhang
    • 1
  • Ruyi Shi
    • 1
  • Li Kuang
    • 1
    Email author
  1. 1.Central South UniversityChangshaChina

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